* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei",
    sans-serif;
  color: #222;
  background: #f7f8fa;
}

.header {
  position: sticky;
  top: 0;
  background: #ffffffcc;
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #eee;
  z-index: 10;
}
.header h1 {
  margin: 0;
  padding: 16px 20px;
  font-family: "Playfair Display", serif;
  font-weight: 700;
  font-style: italic;
  font-size: 28px;
  letter-spacing: 0.6px;
  background: linear-gradient(90deg, #111, #444, #111);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-title {
  margin: 10px 20px;
  font-size: 16px;
  color: #333;
}

.content {
  padding: 10px 16px;
}
.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  padding: 14px;
  margin: 10px 0;
}
.text-block {
  white-space: pre-wrap;
  line-height: 1.6;
  color: #444;
}
.links a {
  display: inline-block;
  margin-right: 10px;
  margin-bottom: 8px;
  color: #0b72ff;
  text-decoration: none;
}
.links a:hover {
  text-decoration: underline;
}

.footer {
  margin-top: 16px;
  padding: 20px;
  text-align: center;
  color: #777;
}
.footer a {
  color: #0b72ff;
}
.hidden {
  display: none !important;
}
.invalid {
  text-align: center;
  color: #b00020;
}
.scan-hint {
  border-left: 4px solid #0b72ff;
}
.scan-hint p {
  margin: 6px 0 0;
  font-weight: 600;
  color: #333;
}
.scan-hint.warning {
  border-color: #d32f2f;
  background: #fff5f5;
  color: #b00020;
}
.scan-counter {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.counter-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.counter-label {
  font-size: 16px;
  font-weight: 600;
  color: #111;
}
.counter-remaining {
  font-size: 20px;
  font-weight: 700;
  color: #0b72ff;
}
#counter-detail {
  margin: 0;
  color: #555;
}

/* 加载遮罩与动画 */
#loading-overlay {
  position: fixed;
  inset: 0;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 999;
}
.spinner {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 4px solid #e6e6e6;
  border-top-color: #0b72ff;
  animation: spin 0.8s linear infinite;
}
.loading-text {
  margin-top: 12px;
  color: #333;
  font-size: 14px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 轮播 */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  margin: 10px 16px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}
/* 轮播尺寸加大并保持完整显示 */
.carousel-item {
  min-width: 100%;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}
.carousel-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
/* 让轮播作为侧栏并实现文字环绕 */
.carousel.inline {
  float: right;
  width: min(60%, 360px);
  margin: 0 0 10px 12px;
}
.carousel.inline.left {
  float: left;
  width: min(70%, 420px);
  margin: 0 14px 12px 0;
}
.card::after {
  content: "";
  display: block;
  clear: both;
}
.carousel-nav {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}
.carousel-btn {
  pointer-events: auto;
  background: #ffffffcc;
  backdrop-filter: blur(6px);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  margin: 0 8px;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.15);
}
.carousel-dots {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 8px;
  display: flex;
  gap: 6px;
  background: #00000040;
  padding: 6px 10px;
  border-radius: 999px;
}
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ddd;
}
.dot.active {
  background: #0b72ff;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-content {
  width: min(92%, 520px);
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid #eee;
}
.modal-actions {
  padding: 12px 16px;
  border-top: 1px solid #eee;
  display: flex;
  gap: 8px;
}
.icon-btn {
  border: none;
  background: transparent;
  font-size: 16px;
  cursor: pointer;
}
.btn {
  padding: 10px 16px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
}
.btn.primary {
  background: #0b72ff;
  color: #fff;
}
.btn.secondary {
  background: #eef2ff;
  color: #0b1f4d;
}

/* 响应式 */
@media (max-width: 767px) {
  .carousel.inline {
    float: none;
    width: 92%;
    margin: 10px auto;
  }
}
@media (min-width: 768px) {
  .carousel-item {
    height: 360px;
  }
  .header h1 {
    font-size: 40px;
  }
}

/* 顶部艺术字 */
.hero-art {
  padding: 6px 16px 12px;
  text-align: center;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #ff7a59, #fbd786, #c6ffdd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.modal-actions {
  padding: 12px 16px;
  border-top: 1px solid #eee;
  display: flex;
  gap: 8px;
}
.icon-btn {
  border: none;
  background: transparent;
  font-size: 16px;
  cursor: pointer;
}
.btn {
  padding: 10px 16px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
}
.btn.primary {
  background: #0b72ff;
  color: #fff;
}

.limit-card {
  max-width: 640px;
  margin: 20px auto 60px;
  padding: 32px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 22px 45px rgba(15, 23, 42, 0.12);
  text-align: center;
}
.limit-status {
  width: 120px;
  height: 120px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: #fff4f4;
  color: #d32f2f;
  font-size: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 2px rgba(211, 47, 47, 0.2);
}
.limit-card h2 {
  margin: 0 0 10px;
  font-size: 26px;
}
.limit-card p {
  margin: 0 0 14px;
  color: #4b5563;
  line-height: 1.6;
}
.limit-badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  background: #eef2ff;
  color: #1d4ed8;
  font-weight: 600;
  margin-bottom: 10px;
}
.limit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 18px 0;
}
.limit-hint {
  display: block;
  color: #6b7280;
}